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This commit is contained in:
Jaroslava Fiedlerova
2024-01-25 17:21:32 +01:00
committed by Robert Schmidt
parent bec8ebc311
commit b166286a78
3 changed files with 42 additions and 28 deletions
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openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_decoder_offload.c
+1 -1
View File
@@ -1106,7 +1106,7 @@ int32_t LDPCencoder(unsigned char **input, unsigned char **output, encoder_imple
.rv = impp->rv,
.F = impp->F,
.Qm = impp->Qm,
.Kr = (impp->K - impp->F + 7)/8};
.Kr = (impp->K - impp->F + 7) / 8};
struct rte_bbdev_info info;
rte_bbdev_info_get(ad->dev_id, &info);
int socket_id = GET_SOCKET(info.socket_id);
openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c
+7 -2
View File
@@ -368,8 +368,13 @@ int nr_dlsch_encoding(PHY_VARS_gNB *gNB,
impp.rv = rel15->rvIndex[0];
int nb_re_dmrs =
(rel15->dmrsConfigType == NFAPI_NR_DMRS_TYPE1) ? (6 * rel15->numDmrsCdmGrpsNoData) : (4 * rel15->numDmrsCdmGrpsNoData);
impp.G = nr_get_G(rel15->rbSize, rel15->NrOfSymbols, nb_re_dmrs, get_num_dmrs(rel15->dlDmrsSymbPos), harq->unav_res,
rel15->qamModOrder[0], rel15->nrOfLayers);
impp.G = nr_get_G(rel15->rbSize,
rel15->NrOfSymbols,
nb_re_dmrs,
get_num_dmrs(rel15->dlDmrsSymbPos),
harq->unav_res,
rel15->qamModOrder[0],
rel15->nrOfLayers);
int r_offset = 0;
for (int r = 0; r < impp.n_segments; r++) {
impp.E = nr_get_E(impp.G, impp.n_segments, impp.Qm, rel15->nrOfLayers, r);
openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c
+34 -25
View File
@@ -50,7 +50,7 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue,
{
start_meas(&ue->ulsch_encoding_stats);
/////////////////////////parameters and variables initialization/////////////////////////
/////////////////////////parameters and variables initialization/////////////////////////
unsigned int crc = 1;
NR_UL_UE_HARQ_t *harq_process = &ue->ul_harq_processes[harq_pid];
@@ -72,7 +72,7 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue,
.tprep = NULL,
.tparity = NULL,
.toutput = NULL};
/////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_UE_ULSCH_ENCODING, VCD_FUNCTION_IN);
LOG_D(NR_PHY, "ulsch coding nb_rb %d, Nl = %d\n", nb_rb, ulsch->pusch_pdu.nrOfLayers);
@@ -82,7 +82,7 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue,
#ifdef DEBUG_ULSCH_CODING
printf("encoding thinks this is a new packet \n");
#endif
///////////////////////// a---->| add CRC |---->b /////////////////////////
///////////////////////// a---->| add CRC |---->b /////////////////////////
int max_payload_bytes = MAX_NUM_NR_ULSCH_SEGMENTS_PER_LAYER*ulsch->pusch_pdu.nrOfLayers*1056;
int B;
if (A > NR_MAX_PDSCH_TBS) {
@@ -90,41 +90,41 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue,
crc = crc24a(harq_process->a,A)>>8;
harq_process->a[A>>3] = ((uint8_t*)&crc)[2];
harq_process->a[1+(A>>3)] = ((uint8_t*)&crc)[1];
harq_process->a[2+(A>>3)] = ((uint8_t*)&crc)[0];
harq_process->a[2 + (A >> 3)] = ((uint8_t *)&crc)[0];
B = A + 24;
AssertFatal((A/8)+4 <= max_payload_bytes,"A %d is too big (A/8+4 = %d > %d)\n",A,(A/8)+4,max_payload_bytes);
AssertFatal((A / 8) + 4 <= max_payload_bytes, "A %d is too big (A/8+4 = %d > %d)\n", A, (A / 8) + 4, max_payload_bytes);
memcpy(harq_process->b,harq_process->a,(A/8)+4);
} else {
// Add 16-bit crc (polynomial A) to payload
crc = crc16(harq_process->a,A)>>16;
harq_process->a[A>>3] = ((uint8_t*)&crc)[1];
harq_process->a[1+(A>>3)] = ((uint8_t*)&crc)[0];
harq_process->a[1 + (A >> 3)] = ((uint8_t *)&crc)[0];
B = A + 16;
AssertFatal((A/8)+3 <= max_payload_bytes,"A %d is too big (A/8+3 = %d > %d)\n",A,(A/8)+3,max_payload_bytes);
AssertFatal((A / 8) + 3 <= max_payload_bytes, "A %d is too big (A/8+3 = %d > %d)\n", A, (A / 8) + 3, max_payload_bytes);
memcpy(harq_process->b,harq_process->a,(A/8)+3); // using 3 bytes to mimic the case of 24 bit crc
}
///////////////////////// b---->| block segmentation |---->c /////////////////////////
///////////////////////// b---->| block segmentation |---->c /////////////////////////
harq_process->BG = ulsch->pusch_pdu.ldpcBaseGraph;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_SEGMENTATION, VCD_FUNCTION_IN);
start_meas(&ue->ulsch_segmentation_stats);
impp.Kb = nr_segmentation(harq_process->b,
harq_process->c,
B,
&harq_process->C,
&harq_process->K,
&harq_process->Z,
&harq_process->F,
harq_process->BG);
harq_process->c,
B,
&harq_process->C,
&harq_process->K,
&harq_process->Z,
&harq_process->F,
harq_process->BG);
impp.n_segments = harq_process->C;
impp.K = harq_process->K;
impp.Kr = impp.K;
impp.Zc = harq_process->Z;
impp.F = harq_process->F;
impp.BG = harq_process->BG;
if (impp.n_segments > MAX_NUM_NR_DLSCH_SEGMENTS_PER_LAYER*ulsch->pusch_pdu.nrOfLayers) {
if (impp.n_segments > MAX_NUM_NR_DLSCH_SEGMENTS_PER_LAYER * ulsch->pusch_pdu.nrOfLayers) {
LOG_E(PHY, "nr_segmentation.c: too many segments %d, B %d\n", impp.n_segments, B);
return(-1);
}
@@ -133,10 +133,10 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue,
#ifdef DEBUG_ULSCH_CODING
uint16_t Kr_bytes;
Kr_bytes = impp.Kr>>3;
Kr_bytes = impp.Kr >> 3;
#endif
///////////////////////// c---->| LDCP coding |---->d ////////////////////////////////////
///////////////////////// c---->| LDCP coding |---->d ////////////////////////////////////
for (int r = 0; r < impp.n_segments; r++) {
#ifdef DEBUG_ULSCH_CODING
printf("Encoder: B %d F %d \n", B, impp.F);
@@ -169,8 +169,8 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue,
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_LDPC_ENCODER_OPTIM, VCD_FUNCTION_OUT);
#ifdef DEBUG_ULSCH_CODING
write_output("ulsch_enc_input0.m","enc_in0",&harq_process->c[0][0],Kr_bytes,1,4);
write_output("ulsch_enc_output0.m","enc0",&harq_process->d[0][0],(3*8*Kr_bytes)+12,1,4);
write_output("ulsch_enc_input0.m", "enc_in0", &harq_process->c[0][0], Kr_bytes, 1, 4);
write_output("ulsch_enc_output0.m", "enc0", &harq_process->d[0][0], (3 * 8 * Kr_bytes) + 12, 1, 4);
#endif
}
///////////////////////////////////////////////////////////////////////////////
@@ -181,9 +181,18 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue,
}
}
LOG_D(PHY,"Rate Matching, Code segment %d (coded bits (G) %u, unpunctured/repeated bits per code segment %d, mod_order %d, nb_rb %d, rvidx %d)...\n", r, G, impp.Kr*3, impp.Qm, nb_rb, ulsch->pusch_pdu.pusch_data.rv_index);
LOG_D(PHY,
"Rate Matching, Code segment %d (coded bits (G) %u, unpunctured/repeated bits per code segment %d, mod_order %d, nb_rb "
"%d, "
"rvidx %d)...\n",
r,
G,
impp.Kr * 3,
impp.Qm,
nb_rb,
ulsch->pusch_pdu.pusch_data.rv_index);
///////////////////////// d---->| Rate matching bit selection |---->e /////////////////////////
///////////////////////// d---->| Rate matching bit selection |---->e /////////////////////////
impp.E = nr_get_E(G, impp.n_segments, impp.Qm, ulsch->pusch_pdu.nrOfLayers, r);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_RATE_MATCHING_LDPC, VCD_FUNCTION_IN);
@@ -204,8 +213,8 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue,
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_RATE_MATCHING_LDPC, VCD_FUNCTION_OUT);
#ifdef DEBUG_ULSCH_CODING
for (int i =0; i<16; i++)
printf("output ratematching e[%d]= %d r_offset %u\n", i,harq_process->e[i + r_offset], r_offset);
for (int i = 0; i < 16; i++)
printf("output ratematching e[%d]= %d r_offset %u\n", i, harq_process->e[i + r_offset], r_offset);
#endif
///////////////////////// e---->| Rate matching bit interleaving |---->f /////////////////////////
@@ -227,7 +236,7 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue,
r_offset += impp.E;
}
}
///////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_UE_ULSCH_ENCODING, VCD_FUNCTION_OUT);
stop_meas(&ue->ulsch_encoding_stats);
return(0);